Our mail server died today. Fortunately,I had previously copied over all mail, passwd, and homes over to an existing fedora core 3 server. As far as I know I have set up permissions properly and everything should be good to go. The server receives mail just fine. I can access the users mail box via webmin and see the stored messages. I can telnet to ports 25, 110, and 143, and when testing Outlook account settings everything completes successfully. However, when a user attempts to retrieve mail via pop3 they get the following error on their end: Task 'mail.domain.name - Receiving' reported error (0x800CCC13) : 'Unable to connect to the network. Check your network connection or modem. The server responded: -ERR Authentication failed.' I get the following corresponding error in the servers mail log: filesSep 26 10:13:57 jaguar5 pop3(sglieden): File isn't in mbox format: /var/mail/sglieden Sep 26 10:13:57 jaguar5 pop3(sglieden): File isn't in mbox format: /var/mail/sglieden Sep 26 10:13:57 jaguar5 pop3(sglieden): Couldn't open INBOX: Internal error occured. Refer to server log for more information Any ideas how to resolve this?